package com.iee.rbac.security.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;

/**
 * 当未登录或者token失效访问接口时，自定义的返回结果
 * Created by macro on 2018/5/14.
 */
@Component
public class RestAuthenticationEntryPoint implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        // 请自定义返回值!!!这里是为了测试
        ObjectMapper objectMapper = new ObjectMapper();
        HashMap<String, String> map = new HashMap<>();
        map.put("code", "0");
        map.put("msg", "未授权");
        response.getWriter().println(objectMapper.writeValueAsString(map));
        response.getWriter().flush();
    }
}
